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                        MXY整理版Python基础
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            <span><b>1.</b> Python的安装和简介</span>
            
            
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                            <b>1.1.</b>
                        
                        Python的基础知识
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                            <b>1.2.</b>
                        
                        Python安装及版本检测
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                            <b>1.3.</b>
                        
                        第一个Python程序
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            <span><b>2.</b> Python的基本语法</span>
            
            
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                        注释及语句分类
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                        命名方式和关键字
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            <span><b>3.</b> Python的变量及数据类型</span>
            
            
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                            <b>3.1.</b>
                        
                        变量
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                            <b>3.2.</b>
                        
                        数据类型
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                            <b>3.3.</b>
                        
                        数据类型转换
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                            <b>3.4.</b>
                        
                        数据类型转换
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            <span><b>4.</b> Python的流程控制</span>
            
            
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                            <b>4.1.</b>
                        
                        顺序结构和分支结构
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                            <b>4.2.</b>
                        
                        循环结构
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            <span><b>5.</b> 函数及作用域</span>
            
            
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                            <b>5.1.</b>
                        
                        函数
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                            <b>5.2.</b>
                        
                        函数文档
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                            <b>5.3.</b>
                        
                        变量的作用域
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                        内部函数和闭包操作
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                            <b>5.5.</b>
                        
                        lambda表达式
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                            <b>5.6.</b>
                        
                        高阶函数
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            <span><b>6.</b> 内置函数及操作</span>
            
            
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                            <b>6.1.</b>
                        
                        字符串相关
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                            <b>6.2.</b>
                        
                        format格式字符串
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                            <b>6.3.</b>
                        
                        内建函数
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                            <b>6.4.</b>
                        
                        列表
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                            <b>6.5.</b>
                        
                        元组
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                            <b>6.6.</b>
                        
                        字典
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                            <b>6.7.</b>
                        
                        集合
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                            <b>6.8.</b>
                        
                        文件操作
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            <span><b>7.</b> 常用的模块</span>
            
            
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                            <b>7.1.</b>
                        
                        String模块
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                            <b>7.2.</b>
                        
                        math模块
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                            <b>7.3.</b>
                        
                        OS模块
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                            <b>7.4.</b>
                        
                        zipfile模块
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                            <b>7.5.</b>
                        
                        tarfile模块
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                            <b>7.6.</b>
                        
                        shutil模块
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                            <b>7.7.</b>
                        
                        时间相关模块
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        <li class="chapter " data-level="8" >
            
            <span><b>8.</b> 面向对象</span>
            
            
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                            <b>8.1.</b>
                        
                        类和对象-上
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                            <b>8.2.</b>
                        
                        类和对象-下
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                            <b>8.3.</b>
                        
                        魔术方法
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                            <b>8.4.</b>
                        
                        装饰器
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                            <b>8.5.</b>
                        
                        抽象类
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                            <b>8.6.</b>
                        
                        错误和异常处理
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        <li class="chapter " data-level="8.7" data-path="home/8.面向对象/7.模块和包.html">
            
                
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                            <b>8.7.</b>
                        
                        模块和包
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        <li class="chapter " data-level="9" >
            
            <span><b>9.</b> tkinter模块</span>
            
            
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        <li class="chapter " data-level="9.1" data-path="home/9.tkinter模块/tkinter模块.html">
            
                
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                            <b>9.1.</b>
                        
                        tkinter模块
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        <li class="chapter " data-level="10" data-path="home/10.网络编程/1.网络编程.html">
            
                
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                            <b>10.</b>
                        
                        网络编程
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        <li class="chapter " data-level="10.1" data-path="home/10.网络编程/2.TCP编程.html">
            
                
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                            <b>10.1.</b>
                        
                        TCP编程
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        <li class="chapter " data-level="10.2" data-path="home/10.网络编程/3.UDP编程.html">
            
                
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                            <b>10.2.</b>
                        
                        UDP编程
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        <li class="chapter " data-level="11" data-path="home/11.多任务/多任务原理.html">
            
                
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                            <b>11.</b>
                        
                        多任务
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        <li class="chapter " data-level="11.1" data-path="home/11.多任务/1.多进程实现多任务.html">
            
                
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                            <b>11.1.</b>
                        
                        多进程实现多任务
                    </a>
            
            
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        <li class="chapter " data-level="11.2" data-path="home/11.多任务/2.多线程实现多任务.html">
            
                
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                            <b>11.2.</b>
                        
                        多线程实现多任务
                    </a>
            
            
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        <li class="chapter " data-level="11.3" data-path="home/11.多任务/3.协程实现多任务.html">
            
                
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                            <b>11.3.</b>
                        
                        协程实现多任务
                    </a>
            
            
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        <li class="chapter " data-level="12" >
            
            <span><b>12.</b> Python实战项目</span>
            
            
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        <li class="chapter " data-level="12.1" data-path="home/12.Python实战项目/1.简易计算器.html">
            
                
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                            <b>12.1.</b>
                        
                        简易计算器
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.2" data-path="home/12.Python实战项目/2.自动售货机.html">
            
                
                    <a href="../../home/12.Python实战项目/2.自动售货机.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.2.</b>
                        
                        自动售货机
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.3" data-path="home/12.Python实战项目/3.银行项目.html">
            
                
                    <a href="../../home/12.Python实战项目/3.银行项目.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.3.</b>
                        
                        银行项目
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.4" data-path="home/12.Python实战项目/4.简单的登录注册.html">
            
                
                    <a href="../../home/12.Python实战项目/4.简单的登录注册.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.4.</b>
                        
                        简单的登录注册
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.5" data-path="home/12.Python实战项目/5.双色球.html">
            
                
                    <a href="../../home/12.Python实战项目/5.双色球.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.5.</b>
                        
                        双色球
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.6" data-path="home/12.Python实战项目/6.python垃圾回收机制.html">
            
                
                    <a href="../../home/12.Python实战项目/6.python垃圾回收机制.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.6.</b>
                        
                        python垃圾回收机制
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.7" data-path="home/12.Python实战项目/7.turtle画国旗.html">
            
                
                    <a href="../../home/12.Python实战项目/7.turtle画国旗.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.7.</b>
                        
                        turtle画国旗
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.8" data-path="home/12.Python实战项目/8.turtle画小猪佩奇.html">
            
                
                    <a href="../../home/12.Python实战项目/8.turtle画小猪佩奇.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.8.</b>
                        
                        turtle画小猪佩奇
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="12.9" data-path="home/12.Python实战项目/9.turtle画个表.html">
            
                
                    <a href="../../home/12.Python实战项目/9.turtle画个表.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>12.9.</b>
                        
                        turtle画个表
                    </a>
            
            
        </li>
    

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                        <h1 id="&#x7C7B;&#x7684;&#x5E38;&#x7528;&#x51FD;&#x6570;">&#x7C7B;&#x7684;&#x5E38;&#x7528;&#x51FD;&#x6570;</h1>
<hr>
<ul>
<li><h3 id="issubclass">issubclass()</h3>
<pre><code class="lang-py">  &#x68C0;&#x6D4B;&#x4E00;&#x4E2A;&#x7C7B;&#x662F;&#x5426;&#x662F;&#x53E6;&#x5916;&#x4E00;&#x4E2A;&#x7C7B;&#x7684;&#x5B50;&#x7C7B;

  &#x683C;&#x5F0F;<span class="hljs-number">1</span>&#xFF1A;issubclass(&#x88AB;&#x68C0;&#x6D4B;&#x7C7B;&#xFF0C;&#x7236;&#x7C7B;)
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;&#x5E03;&#x5C14;&#x503C;

  &#x683C;&#x5F0F;<span class="hljs-number">1</span>&#xFF1A;issubclass(&#x88AB;&#x68C0;&#x6D4B;&#x7C7B;&#xFF0C;(&#x7236;&#x7C7B;<span class="hljs-number">1</span>,&#x7236;&#x7C7B;<span class="hljs-number">2</span>&#xFF0C;&#x7236;&#x7C7B;<span class="hljs-number">3.</span>..))
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;&#x5E03;&#x5C14;&#x503C;

  &#x6CE8;&#x610F;&#xFF1A;&#x53EA;&#x8981;&#x6709;&#x4E00;&#x4E2A;&#x7C7B;&#x662F;&#x5F53;&#x524D;&#x88AB;&#x68C0;&#x6D4B;&#x7C7B;&#x7684;&#x7236;&#x7C7B;&#xFF0C;&#x90A3;&#x4E48;&#x6700;&#x7EC8;&#x7ED3;&#x679C;&#x5C31;&#x662F;<span class="hljs-keyword">True</span>
</code></pre>
</li>
<li><h3 id="isinstance">isinstance()</h3>
<pre><code class="lang-py">  &#x68C0;&#x6D4B;&#x4E00;&#x4E2A;&#x5BF9;&#x8C61;&#x662F;&#x5426;&#x662F;&#x67D0;&#x4E2A;&#x7C7B;&#x7684;&#x5BF9;&#x8C61;

  &#x683C;&#x5F0F;<span class="hljs-number">1</span>&#xFF1A;isinstance(&#x5BF9;&#x8C61;,&#x7C7B;)
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;&#x5E03;&#x5C14;&#x503C;

  &#x683C;&#x5F0F;<span class="hljs-number">2</span>&#xFF1A;isinstance(&#x5BF9;&#x8C61;,&#xFF08;&#x7C7B;<span class="hljs-number">1</span>&#xFF0C;&#x7C7B;<span class="hljs-number">2</span>&#xFF0C;&#x7C7B;<span class="hljs-number">3.</span>..&#xFF09;)
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;&#x5E03;&#x5C14;&#x503C;

  &#x6CE8;&#x610F;&#xFF1A;&#x53EA;&#x8981;&#x4E00;&#x4E2A;&#x7C7B;&#x662F;&#x5F53;&#x524D;&#x5BF9;&#x8C61;&#x7684;&#x7C7B;&#xFF0C;&#x90A3;&#x4E48;&#x6700;&#x7EC8;&#x7ED3;&#x679C;&#x5C31;&#x662F;<span class="hljs-keyword">True</span>
</code></pre>
</li>
<li><h3 id="hasattr">hasattr()</h3>
<pre><code class="lang-py">  &#x68C0;&#x6D4B;&#x5BF9;&#x8C61;/&#x7C7B;&#x662F;&#x5426;&#x5177;&#x6709;&#x67D0;&#x4E2A;&#x6210;&#x5458;

  &#x683C;&#x5F0F;&#xFF1A;hasattr&#xFF08;&#x5BF9;&#x8C61;/&#x7C7B;,<span class="hljs-string">&apos;&#x6210;&#x5458;&#x540D;&apos;</span>&#xFF09;
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;&#x5E03;&#x5C14;&#x503C;
</code></pre>
</li>
<li><h3 id="getattr">getattr()</h3>
<pre><code class="lang-py">  &#x8BBE;&#x7F6E;&#x6216;&#x8005;&#x6DFB;&#x52A0;&#x5BF9;&#x8C61;/&#x7C7B;&#x4E2D;&#x7684;&#x6210;&#x5458;

  &#x683C;&#x5F0F;&#xFF1A;setattr(&#x5BF9;&#x8C61;,<span class="hljs-string">&apos;&#x6210;&#x5458;&#x540D;&apos;</span>,&#x503C;)
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;<span class="hljs-keyword">None</span>
</code></pre>
</li>
<li><h3 id="delattr">delattr()</h3>
<pre><code class="lang-py">  &#x5220;&#x9664;&#x5BF9;&#x8C61;/&#x7C7B;&#x4E2D;&#x7684;&#x6210;&#x5458;

  &#x683C;&#x5F0F;&#xFF1A; delattr(&#x5BF9;&#x8C61;,&#x6210;&#x5458;)
  &#x8FD4;&#x56DE;&#x503C;:<span class="hljs-keyword">None</span>
</code></pre>
</li>
<li><h3 id="dir">dir()</h3>
<pre><code class="lang-py">  &#x83B7;&#x53D6;&#x5BF9;&#x8C61;&#x7684;&#x6210;&#x5458;&#x540D;&#x79F0;&#x5217;&#x8868;

  &#x683C;&#x5F0F;&#xFF1A;dir(&#x5BF9;&#x8C61;)
  &#x8FD4;&#x56DE;&#x503C;&#xFF1A;&#x5217;&#x8868;
</code></pre>
</li>
<li><h3 id="property">property()</h3>
<pre><code class="lang-py">  &#x7528;&#x4E8E;&#x8BBE;&#x7F6E;&#x6210;&#x5458;&#x5C5E;&#x6027;&#x7684;&#x4FEE;&#x9970;&#x7B26;

  &#x683C;&#x5F0F;&#xFF1A;&#x6210;&#x5458;&#x5C5E;&#x6027; = property(&#x83B7;&#x53D6;&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x8BBE;&#x7F6E;&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x5220;&#x9664;&#x7684;&#x65B9;&#x6CD5;)
</code></pre>
</li>
</ul>
<h1 id="&#x63CF;&#x8FF0;&#x7B26;">&#x63CF;&#x8FF0;&#x7B26;</h1>
<hr>
<blockquote>
<p>python&#x4E2D;&#x7684;&#x63CF;&#x8FF0;&#x7B26;&#x662F;&#x7528;&#x4E8E;&#x63CF;&#x8FF0;&#x5BF9;&#x8C61;&#x4E2D;&#x7684;&#x5C5E;&#x6027;&#x3002;&#x4E3B;&#x8981;&#x4F5C;&#x7528;&#x5C31;&#x662F;&#x5BF9;&#x5C5E;&#x6027;&#x64CD;&#x4F5C;&#x63D0;&#x4F9B;&#x9650;&#x5236;&#xFF0C;&#x9A8C;&#x8BC1;&#xFF0C;&#x7BA1;&#x7406;&#x7B49;&#x76F8;&#x5173;&#x6743;&#x9650;&#x7684;&#x64CD;&#x4F5C;&#x3002;</p>
</blockquote>
<ul>
<li><h3 id="&#x63CF;&#x8FF0;&#x7B26;&#x4E3B;&#x8981;&#x6709;&#x4E09;&#x79CD;&#x64CD;&#x4F5C;&#x9700;&#x8981;&#x8BBE;&#x7F6E;&#xFF1A;">&#x63CF;&#x8FF0;&#x7B26;&#x4E3B;&#x8981;&#x6709;&#x4E09;&#x79CD;&#x64CD;&#x4F5C;&#x9700;&#x8981;&#x8BBE;&#x7F6E;&#xFF1A;</h3>
<pre><code class="lang-py">  get      &#x83B7;&#x53D6;&#x5C5E;&#x6027;&#x7684;&#x64CD;&#x4F5C;

  set      &#x8BBE;&#x7F6E;&#x5C5E;&#x6027;&#x7684;&#x64CD;&#x4F5C;

  delete   &#x5220;&#x9664;&#x5C5E;&#x6027;&#x7684;&#x64CD;&#x4F5C;
</code></pre>
</li>
</ul>
<ul>
<li><h3 id="&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;1">&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;1</h3>
<pre><code class="lang-py">  # &#x63CF;&#x8FF0;&#x7B26;&#x7C7B;
  class Description:
      #&#x6210;&#x5458;&#x5C5E;&#x6027;
      #name = &apos;&apos;

      #&#x521D;&#x59CB;&#x5316;&#x65B9;&#x6CD5;
      def __init__(self):
          #&#x4E3A;&#x5F53;&#x524D;&#x7C7B;/&#x5BF9;&#x8C61;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x6210;&#x5458;&#x5C5E;&#x6027;(&#x5F53;&#x524D;&#x7C7B;)&#x6765;&#x63A5;&#x6536;&#x9700;&#x8981;&#x63CF;&#x8FF0;&#x7684;&#x6210;&#x5458;&#x5C5E;&#x6027;&#xFF08;&#x8981;&#x63CF;&#x8FF0;&#x7684;&#x7C7B;&#xFF09;&#x6B64;&#x5904;&#x8FD8;&#x6CA1;&#x6709;&#x63A5;&#x6536;&#xFF08;&#x5360;&#x4F4D;&#xFF09;
          self.name = None

      #get&#x83B7;&#x53D6;&#x5C5E;&#x6027;&#x503C;&#x7684;&#x65B9;&#x6CD5;
      def __get__(self,obj,cls):# self &#x7528;&#x4E8E;&#x63A5;&#x6536;&#x5F53;&#x524D;&#x63CF;&#x8FF0;&#x7B26;&#x7C7B;&#x7684;&#x5BF9;&#x8C61; obj &#x63A5;&#x6536;&#x7528;&#x4E8E;&#x7BA1;&#x7406;&#x7684;&#x6210;&#x5458;&#x7684;&#x5BF9;&#x8C61;  cls &#x7528;&#x4E8E;&#x63A5;&#x6536;&#x7BA1;&#x7406;&#x6210;&#x5458;&#x7684;&#x7C7B;
          print(&apos;&#x83B7;&#x53D6;&#x65B9;&#x6CD5;&#x88AB;&#x89E6;&#x53D1;&apos;)
          self.name = str(self.name)
          return self.name[:4]

      #set&#x8BBE;&#x7F6E;&#x5C5E;&#x6027;&#x503C;&#x7684;&#x65B9;&#x6CD5;
      def __set__(self,obj,val): #self &#x7528;&#x4E8E;&#x63A5;&#x6536;&#x5F53;&#x524D;&#x63CF;&#x8FF0;&#x7B26;&#x7C7B;&#x7684;&#x5BF9;&#x8C61; obj &#x63A5;&#x6536;&#x7528;&#x4E8E;&#x7BA1;&#x7406;&#x7684;&#x6210;&#x5458;&#x7684;&#x5BF9;&#x8C61; val &#x8BBE;&#x7F6E;&#x7684;&#x503C;
          print(&apos;&#x8BBE;&#x7F6E;&#x65B9;&#x6CD5;&#x88AB;&#x89E6;&#x53D1;&apos;)
          #print(self,obj,val)
          #&#x5728;&#x6B64;&#x5904;&#x53EF;&#x4EE5;&#x6DFB;&#x52A0;&#x9650;&#x5236;&#x548C;&#x5224;&#x65AD;&#xFF08;&#x5BC6;&#x7801;&#x5947;&#x6570;&#x65F6;*2&#xFF09;
          if val %2 == 1:
              val *= 2
          #&#x5B8C;&#x6210;&#x4E86;(email)&#x5BF9;&#x8C61;&#x7684;&#x5C5E;&#x6027;&#x503C;&#x7684;&#x8BBE;&#x7F6E;
          self.name = val

      #delete&#x5220;&#x9664;&#x5C5E;&#x6027;&#x503C;&#x7684;&#x65B9;&#x6CD5;
      def __delete__(self,obj): #self&#x5F53;&#x524D;&#x63CF;&#x8FF0;&#x7B26;&#x7C7B;&#x7684;&#x5BF9;&#x8C61; obj &#x63A5;&#x6536;&#x7528;&#x4E8E;&#x7BA1;&#x7406;&#x7684;&#x6210;&#x5458;&#x7684;&#x5BF9;&#x8C61;

          #&#x7528;&#x6237;&#x4EE3;&#x4E3A;&#x5220;&#x9664;&#x64CD;&#x4F5C;
          del self.name

  #&#x58F0;&#x660E;&#x4E00;&#x4E2A;&#x90AE;&#x7BB1;&#x7684;&#x7C7B;
  class Email
      #&#x5C5E;&#x6027;

      #&#x7528;&#x6237;&#x540D;
      account = &apos;conghao@zhiling.com&apos;
      #&#x5BC6;&#x7801;&#xFF08;&#x4E3A;&#x5BC6;&#x7801;&#x8BBE;&#x7F6E;&#x4E86;&#x63CF;&#x8FF0;&#x7B26; &#x7684;&#x5BF9;&#x8C61;&#xFF09; &#x8FD9;&#x4E00;&#x6B65;&#x76F8;&#x5F53;&#x4E8E;&#x5427;password&#x7684;&#x6240;&#x6709;&#x4F20;&#x5165;&#x4E86;Description&#x7684;&#x5BF9;&#x8C61;&#x5F53;&#x4E2D;
      password = Description()
</code></pre>
</li>
<li><h3 id="&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;2">&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;2</h3>
<pre><code class="lang-py">  <span class="hljs-comment">#&#x90AE;&#x7BB1;&#x7C7B;</span>
  <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Email</span>:</span>

      <span class="hljs-comment">#&#x6210;&#x5458;&#x5C5E;&#x6027;</span>
      <span class="hljs-comment">#&#x4E3A;username&#x6DFB;&#x52A0;&#x63CF;&#x8FF0;&#x7B26;</span>
      <span class="hljs-comment">#username = &apos;&apos;</span>
      <span class="hljs-comment">#&#x8BBE;&#x7F6E;&#x90AE;&#x7BB1;&#x8D26;&#x53F7;&#x6700;&#x5927;&#x7684;&#x957F;&#x5EA6;</span>
      maxlength = <span class="hljs-number">6</span>
      <span class="hljs-comment">#&#x4E3A;&#x63CF;&#x8FF0;&#x7B26;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x4E34;&#x65F6;&#x53D8;&#x91CF;&#xFF08;&#x5728;&#x63CF;&#x8FF0;&#x7B26;&#x4E2D;&#x4EE3;&#x66FF;username&#x8FDB;&#x884C;&#x64CD;&#x4F5C;&#xFF09;</span>
      tmpusername = <span class="hljs-keyword">None</span>    
      password = <span class="hljs-string">&apos;&apos;</span>

      <span class="hljs-comment">#&#x6210;&#x5458;&#x65B9;&#x6CD5;</span>
      <span class="hljs-comment">#&#x4E3A;username&#x7684;&#x63CF;&#x8FF0;&#x7B26;&#x8FDB;&#x884C;&#x8BBE;&#x7F6E;&#xFF08;&#x6DFB;&#x52A0;&#x65B9;&#x6CD5;&#xFF09;</span>
      <span class="hljs-comment">#&#x83B7;&#x53D6;username&#x7684;&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;</span>
      <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">getusername</span><span class="hljs-params">(self)</span>:</span>
          print(<span class="hljs-string">&apos;&#x83B7;&#x53D6;&#x64CD;&#x4F5C;&#x88AB;&#x89E6;&#x53D1;&apos;</span>)
          <span class="hljs-comment">#&#x8FD4;&#x56DE;&#x503C;&#x4E4B;&#x524D;&#x8FDB;&#x884C;&#x503C;&#x7684;&#x4FEE;&#x9970;&#xFF0C;&#x4E24;&#x8FB9;&#x6DFB;&#x52A0;&#x661F;&#x661F;</span>
          <span class="hljs-keyword">if</span> self.tmpusername != <span class="hljs-keyword">None</span>:
              self.tmpusername = <span class="hljs-string">&apos;&#x2605;&apos;</span> + self.tmpusername + <span class="hljs-string">&apos;&#x2605;&apos;</span>
          <span class="hljs-comment">#&#x8BBE;&#x7F6E;&#x83B7;&#x53D6;username&#x7684;&#x65F6;&#x5019;&#x7684;&#x503C;</span>
          <span class="hljs-keyword">return</span> self.tmpusername

      <span class="hljs-comment">#&#x8BBE;&#x7F6E;username&#x7684;&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;</span>
      <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">setusername</span><span class="hljs-params">(self,val)</span>:</span>
          print(<span class="hljs-string">&apos;&#x8BBE;&#x7F6E;&#x64CD;&#x4F5C;&#x88AB;&#x89E6;&#x53D1;&apos;</span>)
          <span class="hljs-comment">#&#x9650;&#x5236;&#xFF0C;&#x6839;&#x636E;Email&#x7C7B;&#x7684;&#x6700;&#x5927;&#x8D26;&#x53F7;&#x957F;&#x5EA6;&#x5BF9;&#x7528;&#x6237;&#x540D;&#x8FDB;&#x884C;&#x622A;&#x53D6;&#x4E4B;&#x540E;&#x5728;&#x8BBE;&#x7F6E;</span>
          <span class="hljs-comment">#&#x68C0;&#x6D4B;val&#x662F;&#x5426;&#x662F;&#x5B57;&#x7B26;&#x4E32;&#x7C7B;&#x578B;</span>
          <span class="hljs-keyword">if</span> isinstance(val,str):
              val = val[<span class="hljs-number">0</span>:self.maxlength]
          self.tmpusername = val

      <span class="hljs-comment">#&#x5220;&#x9664;username&#x7684;&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;</span>
      <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">delusername</span><span class="hljs-params">(self)</span>:</span>
          print(<span class="hljs-string">&apos;&#x5220;&#x9664;&#x64CD;&#x4F5C;&#x88AB;&#x89E6;&#x53D1;&apos;</span>)
          <span class="hljs-comment">#&#x5220;&#x9664;&#x64CD;&#x4F5C;</span>
          <span class="hljs-keyword">del</span> self.tmpusername

      <span class="hljs-comment">#&#x4E3A;username&#x8BBE;&#x7F6E;&#x63CF;&#x8FF0;&#x7B26;</span>
      username = property(getusername,setusername,delusername)
</code></pre>
</li>
<li><h3 id="&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;3-&#x5C5E;&#x6027;&#x4FEE;&#x9970;&#x7B26;">&#x63CF;&#x8FF0;&#x7B26;&#x65B9;&#x6CD5;3 &#x5C5E;&#x6027;&#x4FEE;&#x9970;&#x7B26;</h3>
<pre><code class="lang-py">  <span class="hljs-comment">#&#x90AE;&#x7BB1;&#x7C7B;</span>
  <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">Email</span>:</span>

      <span class="hljs-comment">#&#x7528;&#x6237;&#x540D;</span>
      username = <span class="hljs-string">&apos;&apos;</span>
      <span class="hljs-comment">#&#x5BC6;&#x7801;</span>
      password = <span class="hljs-string">&apos;&apos;</span>
      <span class="hljs-comment">#&#x4F7F;&#x7528;&#x63CF;&#x8FF0;&#x7B26;&#x6765;&#x64CD;&#x4F5C;&#x6635;&#x79F0;</span>
      <span class="hljs-comment">#&#x6635;&#x79F0;</span>
      petname = <span class="hljs-string">&apos;&#x5C0F;&#x4E56;&#x4E56;&apos;</span>
      <span class="hljs-comment">#&#x4E3A;&#x63CF;&#x8FF0;&#x7B26;&#x8BBE;&#x7F6E;&#x4E34;&#x65F6;&#x53D8;&#x91CF;</span>
      __petname = <span class="hljs-keyword">None</span>

      <span class="hljs-comment">#&#x6210;&#x5458;&#x65B9;&#x6CD5;(&#x6682;&#x65E0;)</span>
      <span class="hljs-comment">#&#x63CF;&#x8FF0;&#x7B26;&#x8BBE;&#x7F6E;&#x7684;&#x4E09;&#x4E2A;&#x90E8;&#x5206;  &#x83B7;&#x53D6;,&#x8BBE;&#x7F6E;&#x548C;&#x5220;&#x9664;</span>
      <span class="hljs-comment">#&#x5904;&#x7406;petname&#x83B7;&#x53D6;&#x64CD;&#x4F5C;</span>
<span class="hljs-decorator">      @property</span>
      <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">petname</span><span class="hljs-params">(self)</span>:</span>
          print(<span class="hljs-string">&apos;&#x83B7;&#x53D6;&#x64CD;&#x4F5C;&#x88AB;&#x89E6;&#x53D1;&apos;</span>)
          <span class="hljs-keyword">return</span> self.__petname

      <span class="hljs-comment">#&#x5904;&#x7406;petname&#x7684;&#x8BBE;&#x7F6E;&#x64CD;&#x4F5C;</span>
<span class="hljs-decorator">      @petname.setter</span>
      <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">petname</span><span class="hljs-params">(self,val)</span>:</span>
          print(<span class="hljs-string">&apos;&#x8BBE;&#x7F6E;&#x64CD;&#x4F5C;&#x88AB;&#x89E6;&#x53D1;&apos;</span>)
          <span class="hljs-comment">#&#x8BBE;&#x7F6E;&#x64CD;&#x4F5C;</span>
          self.__petname = val

      <span class="hljs-comment">#&#x5904;&#x7406;petname&#x7684;&#x5220;&#x9664;&#x64CD;&#x4F5C;</span>
<span class="hljs-decorator">      @petname.deleter</span>
      <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">petname</span><span class="hljs-params">(self)</span>:</span>
          print(<span class="hljs-string">&apos;&#x5220;&#x9664;&#x64CD;&#x4F5C;&#x88AB;&#x89E6;&#x53D1;&apos;</span>)
          <span class="hljs-comment">#&#x5220;&#x9664;&#x64CD;&#x4F5C;</span>
          <span class="hljs-keyword">del</span> self.__petname
</code></pre>
</li>
</ul>
<h1 id="&#x7C7B;&#x7684;&#x5185;&#x7F6E;&#x5C5E;&#x6027;">&#x7C7B;&#x7684;&#x5185;&#x7F6E;&#x5C5E;&#x6027;</h1>
<hr>
<ul>
<li><h3 id="dict-&#xFF1A;"><strong> dict </strong>&#xFF1A;</h3>
<pre><code class="lang-py">  &#x83B7;&#x53D6;&#x5F53;&#x524D;&#x7C7B;/&#x5BF9;&#x8C61;&#x6210;&#x5458;&#x7EC4;&#x6210;&#x7684;&#x5B57;&#x5178;
</code></pre>
</li>
<li><h3 id="doc-&#xFF1A;"><strong> doc </strong>&#xFF1A;</h3>
<pre><code class="lang-py">  &#x83B7;&#x53D6;&#x5F53;&#x524D;&#x7C7B;/&#x5BF9;&#x8C61;&#x7684;&#x6587;&#x6863;&#xFF0C;&#x548C;&#x51FD;&#x6570;&#x4E00;&#x6837;&#x4F7F;&#x7528;<span class="hljs-string">&apos;&apos;&apos; &#x5B9A;&#x4E49;&#x5373;&#x53EF;
</span></code></pre>
</li>
<li><h3 id="name-&#xFF1A;"><strong> name </strong>&#xFF1A;</h3>
<pre><code class="lang-py">  &#x7C7B;.__name__&#x662F;&#x83B7;&#x53D6;&#x5F53;&#x524D;&#x7C7B;&#x540D;,&#x5982;&#x679C;&#x76F4;&#x63A5;&#x5199;__name__&#x5219;&#x662F;&#x83B7;&#x53D6;&#x6A21;&#x5757;&#x7684;&#x540D;&#x79F0;
</code></pre>
</li>
<li><h3 id="bases-&#xFF1A;"><strong> bases </strong>&#xFF1A;</h3>
<pre><code class="lang-py">  &#x83B7;&#x53D6;&#x7C7B;&#x7684;&#x7EE7;&#x627F;&#x5217;&#x8868;&#x4E2D;&#x6240;&#x6709;&#x7236;&#x7C7B;&#x7EC4;&#x6210;&#x7684;&#x5143;&#x7EC4;
</code></pre>
</li>
</ul>

                    
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